Unified Cascaded Encoder Model for Speech Recognition
Summary
EPO published Google patent EP4476720A1 for a unified cascaded encoder model for speech recognition. The patent application lists 15 inventors and covers AI/ML classification technology under IPC G06N 3/044. Designated states include 35 European countries spanning the EU and beyond.
What changed
EPO published patent EP4476720A1 for Google LLC's unified cascaded encoder model for speech recognition. The patent covers AI/ML technology under IPC classification G06N 3/044 and related speech processing classifications (G10L 15/16, G10L 15/32). It was published April 1, 2026, with 15 listed inventors including researchers from Google's speech team.
This patent grant affects technology companies developing speech recognition and AI-powered audio processing systems, particularly those operating in or licensing technology across European markets. It establishes intellectual property rights for Google covering cascaded encoder architecture for speech recognition in 35 designated European states.
What to do next
- Monitor patent portfolio for competitive analysis
- Review for potential licensing opportunities in EU markets
Archived snapshot
Apr 9, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
UNIFIED CASCADED ENCODER MODEL FOR SPEECH RECOGNITION
Publication EP4476720A1 Kind: A1 Apr 01, 2026
Applicants
GOOGLE LLC
Inventors
DING, Shaojin, HE, Yanzhang, WANG, Xin, WANG, Weiran, STROHMAN, Trevor, SAINATH, Tara, N, PRABHAVALKAR, Rohit, ROBERT, David, PANIGRAHY, Rina, BOTROS, Rami, LIANG, Qiao, MCGRAW, Ian, ZHAO, Ding, HWANG, Dongseong
IPC Classifications
G10L 15/16 20060101AFI20260224BHEP G06N 3/044 20230101ALI20260224BHEP G10L 15/32 20130101ALN20260224BHEP G06N 3/045 20230101ALN20260224BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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